46 results
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... comparison to Horner's syndrome ... neudrawlogy #CNIII #CN3 ... #Palsy #Oculomotor ... #neurology #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Ill (Oculomotor ... ) Nerve Palsy ... ) Nerve palsy ... ) Nerve palsy • ... #diagnosis #ocular
Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic
Horner's Syndrome ... ipsilateral face and ... comparison to oculomotor ... nerve palsy (levator ... #diagnosis #neurology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Miller-Fisher syndrome ... , blowout fracture ... Ill and VI palsy ... #Diagnosis #Causes
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • CN VI palsy ... Ill palsy ... Orbital Floor Fracture ... #DoubleVision #Differential
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... " ± Horner Syndrome ... Saturday night palsy ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... Leg Pain: • Fracture ... #extremity #msk ... #physicalexam
Vertebral Body Abnormalities

A sheet of common (and uncommon) vertebral body findings, because a completely “normal” spine
Vertebra Hurler Syndrome ... Morquio Syndrome ... Abnormalities #Radiology #MSK ... Anomalies #Spine #Diagnosis ... Vertebrae #diseases #differential
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... eyelid: • Third nerve ... palsy • Horner ... orbital rooftop fracture
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Diagnosis 1. ... size in bright and ... - Horner's Syndrome ... Anisocoria - CN ... III Palsy - Pharmacologic